Chapter 7 Supplemental

Question 1

Which strand only uses DNA ligase

Answer 1

Lagging

Question 2

The origin of replication happens only in this

Answer 2

DNA replication

Question 3

Transcription starts at and ends where?

Answer 3

Promoter and terminator

Question 4

This uses RNA polymerase to build a new strand

Answer 4

Transcription

Question 5

These type of cells use Poly & Monocistronic

These only use mono

Answer 5

Prokaryotic

Eukaryotic

Question 6

_______ help RNA polymerase to find the promoter

Answer 6

Sigma factors

Question 7

Protein synthesis consists of

Answer 7

Transcription & Translation

Question 8

How are R Groups formed

Answer 8

Hydrogen bonds between Alpha helixes and Beta sheets

Question 9

3rd protien structure consists of

Answer 9

Globulins & fiber

Question 10

In Translation UAA, UAG and UGA are

Answer 10

Stop codons

Question 11

In Translation AUG is…

Answer 11

Start codons & methionine

Question 12

What are known as “translation machines”

Answer 12

Ribosomes

Question 13

A “shipping tag” is known as this in protiens

Answer 13

Signal Sequence

Question 14

The 5’ cap and 3’ polyAtail do this to mRNA

Answer 14

Protect

Question 15

Are 70s ribosomes found in Eukaryotic cells

Answer 15

Yes in the mitochondria

Question 16

What are the stop codons in translation.

The start Condon in translation

Answer 16

UAA, UGA, UAG

AUG

Question 17

Which process is rna polymerase used in?

Answer 17

Transcription

Question 18

______ uses a Promoter & Terminator to tell RNA polymerase to start and stop coding copies of a protein

Answer 18

Transcription

Question 19

_____ uses start and stop codons to tell the ribosome how to make a protein

Answer 19

Translation

Question 20

Making mRNA is called

Answer 20

Transcription

Question 21

Using RNA to make a protein is called

Answer 21

Translation

Question 22

Deoxyadenosine consist of

Answer 22

Deoxyribose & nitrogen base

Question 23

Deoxyadenosine-5’ phosphate consists of….

Answer 23

Deoxyribose, nitrogen base, and phosphate group

Question 24

Hydrogen bonds break to expose info in…

Answer 24

Active genes

Question 25

_____ zips together individual DNA nucleotides to form new DNA strand

Answer 25

DNA polymerase

Question 26

______ Fills in links between any gaps in a new DNA strand

Answer 26

DNA ligase

Question 27

Area where RNA folds on itself with hydrogen bonding

Answer 27

Stem loops

Question 28

____ reads the mRNA code

Answer 28

rRNA

Question 29

The DNA strand is read in this direction. So, RNA can be built in this direction

Answer 29

3 - 5 read 5 - 3 built

Question 30

Sequence of mRNA to which the ribosome binds ______ The first AUG after this is where translation begins

Answer 30

Ribosome binding site

Question 31

Ribosome reads mRNA in which direction

Answer 31

5 - 3

Question 32

What acts as an "on / off " switch for control of transcription

Answer 32

Operator

Question 33

Eukaryotic gene regulation consists of 1. Modifying structure of chromosomes 2. Regulating transcription initation. 3. Altering pre mRNA processing These processes are known as....

Answer 33

RNA interference

Question 34

_____ locates the mRNA strand to be silenced then tags it for destruction by the RISC

Answer 34

Short RNA

Question 35

_____ nitrogen base in place of thymine in RNA

Answer 35

Uracil

Question 36

Where do replicating forks meet in DNA replication

Answer 36

Termination site

Question 37

DNA ligase forms ____ bonds between adjacent nucleotides of Okazaki Fragements

Answer 37

Covalent

Question 38

Complex of enzymes and other proteins that synthesize DNA

Answer 38

Replisome

Question 39

______ defines coding region

Answer 39

Nucleotide sequence

Question 40

A set of control genes transcribed as a single mRNA along with its control sequence is termed

Answer 40

Operon

Question 41

Seperate operons controlled by single regulatory mechanism constitute...

Answer 41

Regulon

Question 42

Inducer binding to ____ allows binding to DNA

Answer 42

Activator

Question 43

When both glucose and lactose are available _____ prevents expression of genes that metabolize lactose

Answer 43

Carbon catabolite repression

Question 44

What yields diauxic growth

Answer 44

Carbon catabolite repression

Question 45

What is the inducer of CAP

Answer 45

cAMP

Question 46

____ describes mRNA corresponding to multiple genes whose expression is controlled by a single promoter and terminator

Answer 46

Polycistronic